Method of combining elevated ovens with cooking-stoves so as to bender



E. C. ROBINSON.

Cooking Stove. 'Nu. 2,404. Patented Dec.- 30, 1841'.

UNITED STATES PATENT OFFIOE.

ELI G. ROBINSON. OF TROY, NEW' YORK.

METHOD OF COMBINING ELEVATED OVENS WITH COOKING-STOVES SO AS TO RENDERTHE SAME MOVABLE.

Specification of Letters Patent No. 2,404, dated December 30, 1841.

To all whom it may concern Be it known that I, ELI O. ROBINSON, of thecity of Troy, in the county of Rensselaer and State of New York, haveinvented a new and useful Improvement in Stoves; and I do hereby declarethat the following is a full and exact description.

The principle of my improvement consists in providing a movable oven toa stationary stove, so constructed as to allow the fire and heated airto pass through the lines of the oven in whatever position, within thelimits prescribed for its movement, it is placed, and then through astationary stove pipe to the chimney.

An oven, stove and pipe of this description, with their appendages, arerepresented in Figure I, of the annexed drawings, in which A is thestationary part of the stove, B a circular movable top to the same.

O, O are pipes supporting the oven D and serving as fines or passagesfor conducting the fire and heated air into its fiues, for which purposethe pipes are placed over openings provided for them in the top plate ofthe stove, each being supplied with a common collar for the purpose atE, E. The

top of the same pipes are connected with the oven at F, F, when likeopenings and collars are provided for them in its outside plate. Theentire circle of the oven is formed with double plates, and the spacebetween them constitutes its flues or passage for the circulation of thefire, &c., around the inner or baking apartment.

G is a stationary collar over which a common stove pipe is placed forconducting the smoke to the chimney.

H is a horizontal plate of sufiicient width and thickness to support thecollar which is attached to it and both plate and collar with the stovepipe are supported by the upright standards connected with the plate atI, I, and with a rim of the permanent part of the stove at J, J Orinstead of two standards I sometimes make use of one only, in which casethe horizontal plate H is extended as an arm from the top of thestandard to the collar G and is made to terminate on the opposite sideof it, the collar being attached thereto at or near its extremity andover the center of the oven, the same as when two standards are used. Iattach the foot of each standard in either case to the rim in the mannerrepresented in the drawing or by a dovetailed joint or any other commonmode of fastening at my option. A collar is also attached to the centerof the top of the oven as partially seen at K and extends up within thecollar G so as to form the connecting passage from the flue of the ovento the stove pipe. These two collars are apportioned in size so as toallow the inner one, or that connected with the oven to turn easilywithin the other which serves to preserve its own central position. Withthese provisions and a central pin from the stove through a smallopening in the rotary top as shown at L, the oven with the rotary top ismade movable horizontally as upon its center, by means of which I amenabled to place one end or the other of the oven directly over the fireplace or furnace of the stove or at any relative distance therefromwithin the circle of its movement, and also, by aid of a common damperwith which each of the supporting pipes is provided, as shown by theirhandles at M, M the passage through either may be opened and the otherclosed, by means of which the heating proc ess of the oven is equalizedor varied at discretion.

Another modification of the principles of my improvement is representedin Fig. II. In this the stove N and collar O for a common stove pipe,are in like manner stationary, and the latter like the other is supported by a horizontal plate to which it is attached at O, the samebeing of a width and thickness sufiicient for the purpose and bothlikewise sustained in their position by the upright standards P, P, (orby one instead of two at my option) which at the top are connected withthe plate and at the bottom with the permanent part of the stove asrepresented in the drawing being united therewith by any common mode offastening, while the oven Q, having its end plates extended down so asto rest in the grooves in the top plate of the stove shown at U, U ismade movable back and forth from front to rear by being shoved one wayor the other by hand or otherwise, the grooves and plates serving toguide it in its direction when thus moved. In the drawing it isrepresented at its rear station leaving the boiler seats R, R free forordinary use, the fine of the stove, as shown in the drawing, beingsufficiently extended for that purpose.

The baking apartment of the oven, suspended in the usual manner byflanges or other projections from the inner surface of the end plates ofthe oven, is, except the end, surrounded by a flue or open passage forthe circulation of the fire and heated air from the stove which isintroduced through an opening in its top plate as shown in a sectionalview of the plate at S and partially seen at S, Fig. II. This opening isso located as to come under the front ascending flue of the oven when atits rear station as there represented, and under its back flue t,.whenbrought forward over the fire place. hen in this front station theboiler openings, being then under the oven, are left covered oruncovered by their lids as the state of the fire or temperature of theoven may require.

By means of a common sliding damper upon the top of the inside or bakingapartment of the oven, either the front or back flue may be closed andthe fire, &c., made to pass exclusively through the other. The handlefor moving the damper is seen at T.

In order to eflect a smok passage from the fines of the even, wheneither at its front or rear-,station, to the stationary stove pipe, Iprovide two openings in the top plate of the oven, as shown in theseparate view thereof at V, Vmaking the distance between them equal tothe extent of its back and forward movement, so that at the terminationof each movement one of these openings will be left exactly in the placewhich the other previously occupied, or which is the same thing directlyunder the stationary collar for the stove pipe and in order to make goodthe communication between the opening thus brought under the collar andthe stove pipe, and at the same time close the other opening, a slidingplate is provided with two openings of corresponding dimensions asrepresented at W, and in a separate view of the plate at X, and placedupon the top of the oven, so as to be movable thereupon in the directionof its length either way. From the upper surface of this plate a flangeis raised, extending in an oblique direction nearly across it as shownat Y, and a corresponding groove or double flange from the under side ofthe plate to which the stationary collar is attached, as seen at 2, 2,so as to interlap with the flange of the sliding plate; by means ofwhich, as the oven is moved from one station to the other, the slidingplate is borne in this lengthwise direction of the oven one way or theother as by an inclined. plane according to the start given to theseflanges, and I fix the angle of their inclination and the relativeposition of the two openings in the plate so that one of them will bebrought exactly over each of the openings in the top plate of the evenas it arrives under the collar for the stove pipe, While the samelateral movement of the slide carries its other opening on one side ofthat on the same side of the top of the oven and closes it with theplate of the slide. In this way, without further attention, the slidingplate serves as a damper to each passage. By means of a loose collar, asshown at a, placed upon the sliding plate as at I), so as to extend upwithin the stationary collar 0, by which it is kept in its place, eitherof the openings are covered by the loose collar when brought under it bythe movement of the plate in the manner already described, and thus thepassage from the flues of the oven to the stove pipe is perfected. Thelateral movement of the slide is preserved by means of a lip or flangeat its back and forward edges, made to overlap the edges of the topplate of the oven as shown in the drawings.

lVhat I claim and desire to secure by Let ters Patent isl. The mode ofadapting an elevated oven to a rotary top of a stove or combining thesame therewith so as to allow of the oven revolving with the said top bymeans of the stationary collar G combined with the oven and with thestationary part of the stove substantially in the manner above setforth.

2. And I also claim the method of combining the discharge openings V, Vof the movable oven represented in Fig. II of the annexed drawings withthe static-nary collar or smoke pipe 0 by means of the sliding plate Win the same figure having an oblique flange adapted to a groove in theunderside of the plate supporting the stationary collar and providedwith apertures corresponding to the openings V, V, in the oven top bymeans of which arrangement the connect-ion of the movable oven with thesmoke pipe is maintained, all as above set forth.

Subscribed this 9th day of December 1841 before us.

ELI C. ROBINSON. Witnesses:

HoRA'rIo A; WVILsoN, DANIEL WHITING.

